Filtering unit cleaner



March 26,1940.

Filed March 24, 1937 2 Sheets She l grwwm H. J. MCDEVITT ,606

TERING UNIT March 26, 1940.

' H. J. M bEVlTT 2,194,606

- FILTERING UNIT CLEANER Filed March 24, 1957 2 Sheets-Sheei 2 M l ,2 M"I 5 Figure 4 is an enlarged vertical sectional view e inven o in Sp ficterms; it is t be under- 25 Patented Mar. 26, 1940 Q 5 UNITED STATESPATENT OFFICE FILTERING UNIT CLEANER Harry James McDevitt, Philadelphia,Pa., assignor to Gordon F. Milne, Rosemont, Pa.

Application March 24, 1937, SerialNo. 132,853

V 1 C aim. (01. 141-1) This invention appertains to new and useful Theupper portion of the pipe l2 extends improvements in apparatus forcleaning filterthrough the neck structure l6 provided on the ing units.top 6 and this is provided with a packing gland The principal object ofthe present invention ll." An air pressure gauge I8 is mounted on is toprovide a simple and inexpensive. appathe back wall 19 and from thisextends the hose ratus whereby the air filtering units such asconnection 25) which has a button valve 2| therein are on downdraftcarbureters and in fact filterand a nipple 22 projecting therefrom andinto ing units of various. other types can be conthe upper end of thepipe l2. Numeral 23 repveniently and thoroughly cleaned in a ,fewminresents the compressed air supply line to the utes time. j gauge is.V y 10 Another important'object of the invention is Thus air is suppliedto the pipe l2 by way of. to-provide a cleaning apparatus of thecharacter the gauge l8 and is sent into the unit H at- Stated which isconstructed in such a manner tached to the pipe I2 in the form of aturbuas to permit the partsthereof to be disconnected lence so astothorcughly clean out the unit ll ll readily for the purpose of repairor replacement. as the solvent material 24 in the tank 5 per- Theseandvarious other important objects and meates the unit and loosens theforeign matter advantages of the invention will become appartherein.Obviously by lifting the lid 6, the unit ent to the reader of thefollowing specification. H can be readily detached fromthe pipe l2.

In the drawings: As can be seen in Figure 4, the top wall 6 is Figure 1represents a frontelevational view M provided witha well 40 in which asolvent can of the apparatus. be placed and into which the air filterunits Figure 2 representsa side elevational view of can be primarilydisposed to afford them a prethe apparatus. ary bat before attachment tothe pipe I 2. Figure 3 is a top plan view. While the foregoingspecification sets forth taken substantially onthe line 4-4 of Figure 2.tood that nu erOuS chan es in the Shape, Size ure 5 is a fragmentarylongitudinal secand materials may be resorted to without detional viewthrough the pipe. parting from the spirit and scope of the inven-Referring to the drawings wherein like nuion as claimed hereinafter. 80merals designate like parts, it can be seen that Having described the vet t s claimed 0 the apparatus consists of the tank 5 having the as newis: top wall 6, which top wall is provided with an' An apparatus forcleaning filtering units comupstanding flange I at its periphery andfrom p i g a tank to rece e a cleaning Solution, which extends theoutwardly disposed lip 8 for a cover for said tank having a well toreceive rest upon the ledge 9 of the upper portion of a solvent and suppt a filter u t, a p pe e 35 the. tank The top 6 can be provided with ngdownwar y through the Cover and handles it whereby the top can be liftedwhen a dapted for connection with a source of comfilter unit M is to beapplied or taken from the pressed air, and a collar at the lower end ofp pe l2. This pipe 52 as shown in Figure 5 is said pipe to fit theconventional tubular ex- 40 provided a spiral i3 so that as air passesdownion of a fi er u t, the a being u waidly through the pipe .it isswirled and depended on said collar and detachably connected velops aturbulence in the unit H to be cleaned. therewith y t e e fas n g devicewhich Numeral M denotes a collar having step down ecures the filteringunit in place on the air portion l5 thereon so that the collar can beinlet p p f a motor vehicle. 4| engaged into the neck portion a of afiltering unit.

013 any size. y a j HARRY JAMES McDEVITT.

